CVE-2026-8424

The Remove Yellow BGBOX plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing or incorrect nonce validation on the 'rybb_api_settings' page. This makes it possible for unauthenticated attackers to reset the plugin's stored settings by overwriting its configuration via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

• CWE-352

• https://plugins.trac.wordpress.org/browser/remove-yellow-bgbox/tags/1.0/admin/rybb_api_settings.php#L5
• https://plugins.trac.wordpress.org/browser/remove-yellow-bgbox/tags/1.0/includes/functions.php#L16
• https://plugins.trac.wordpress.org/browser/remove-yellow-bgbox/trunk/admin/rybb_api_settings.php#L5
• https://plugins.trac.wordpress.org/browser/remove-yellow-bgbox/trunk/includes/functions.php#L16
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c5b30d27-a3f8-4535-a47f-675c939ec648?source=cve

Published

May 20, 2026

Last Modified

Jul 23, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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